What are the causes of excessive saliva?

According to the Mayo Clinic, excessive saliva is a common condition that is rarely serious. It can be caused by many different things, but some are more common than others.PregnancyDuring pregnan...
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What causes thick saliva?

Thick saliva or mucous is semi-opaque in color and is acidic as opposed to being watery, clear and neutral. It can be caused by a number of factors. Thick saliva can cause difficulty swallowing (dy...
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